Home / 959,169.61-1,438,442.91-319,301.47

Finding the Fourth Proportional to 959,169.61, 1,438,442.91 and 319,301.47

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Solution

The fourth proportional to 959,169.61, 1,438,442.91 and 319,301.47 is: 478,848.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,169.61 : 1,438,442.91 = 319,301.47 : x
  2. Step 2: Convert to fraction form
    959,169.61/1,438,442.91 = 319,301.47/x
  3. Step 3: Cross multiply
    959,169.61x = 1,438,442.91 × 319,301.47
  4. Step 4: Simplify right side
    959,169.61x = 459,296,935,674.08
  5. Step 5: Solve for x
    x = 459,296,935,674.08/959,169.61
  6. Step 6: Final answer
    x = 478,848.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.